There has been a major break through in charged cooled
 rotary engines by going to high tech and real expensive silicon
 nitride roller bearing for the rotor bearings. The max RPM has gone
 up from about 7500 RPM to 11,000 RPM. The 2 rotor AIXRO version
 based on the Norton geometry is now putting out 130 HP
 at 11,000  while weighing only about  22 kg or about 50 pounds.
 The former MidWest/Austro version was limited to about 100 HP.
 The P-port Mazda 13B rotary will produce about 300 HP at 9500
 to 10,500 RPM with pressure fed plain bearings including
 the rotor bearings.

 Paul Lamar

Paul,
Where do i find info and specs on the 2-rotor Aixro you just
mentioned?

Steve Wolpin

Contact:
Poul Henrik Woelfle AIXRO <ph.woelfle@woelfle-engineering.com

http://www.woelfle-engineering.com/

This is the engine in supercharged one rotor form and on
a para-glider that flew over Mt. Everest at 27,000 feet.

Paul Lamar